Manylion Offer
Testun
Low-level gas flow beta multicounter system for the measurement of 5 samples simultaneously.
The basic part of the Risø low-level beta multicounter system is a gas-flow unit with dimensions of 50x100x250 mm which incorporates five individual GM sample counter elements and a common guard counter.
The guard counter reduces the cosmic-ray background by using anticoincidence technique. Each sample counter element is provided with an aluminized Mylar window of density < 1 mg/cm2 and diameter 25 mm. The counters are gas-flow types designed for 99 % Ar/1 % isobutane or 99 % Ar/1% propane counter gas. A sample slide allows five samples to be inserted into the multicounter. These samples are measured simultaneously. A lift mechanism minimizes the sample-to-window distance to obtain optimal efficiency. The multicounter is normally placed inside a lead shielding of 100 mm thickness to reduce the ambient background radiation.
The basic part of the Risø low-level beta multicounter system is a gas-flow unit with dimensions of 50x100x250 mm which incorporates five individual GM sample counter elements and a common guard counter.
The guard counter reduces the cosmic-ray background by using anticoincidence technique. Each sample counter element is provided with an aluminized Mylar window of density < 1 mg/cm2 and diameter 25 mm. The counters are gas-flow types designed for 99 % Ar/1 % isobutane or 99 % Ar/1% propane counter gas. A sample slide allows five samples to be inserted into the multicounter. These samples are measured simultaneously. A lift mechanism minimizes the sample-to-window distance to obtain optimal efficiency. The multicounter is normally placed inside a lead shielding of 100 mm thickness to reduce the ambient background radiation.
Manylion
| Enw | Risø Low-level Beta Counter [GM25-5] |
|---|---|
| Dyddiad caffael | 01 Ion 1995 |
| Gweithgynhyrchwyr | Technical University of Denmark |
Allweddeiriau
- Q Science
Ôl bys
Archwilio’r meysydd ymchwil lle mae’r offer hwn wedi cael ei ddefnyddio. Mae’r labelau hyn yn cael eu cynhyrchu’n seiliedig ar yr allbynnau cysylltiedig. Gyda’i gilydd maen nhw’n ffurfio ôl bys unigryw.